Home / 3,212.27-4,429.10-2,681.92

Finding the Fourth Proportional to 3,212.27, 4,429.10 and 2,681.92

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Solution

The fourth proportional to 3,212.27, 4,429.10 and 2,681.92 is: 3,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.27 : 4,429.10 = 2,681.92 : x
  2. Step 2: Convert to fraction form
    3,212.27/4,429.10 = 2,681.92/x
  3. Step 3: Cross multiply
    3,212.27x = 4,429.10 × 2,681.92
  4. Step 4: Simplify right side
    3,212.27x = 11,878,456.32
  5. Step 5: Solve for x
    x = 11,878,456.32/3,212.27
  6. Step 6: Final answer
    x = 3,697.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.